diff --git a/CHANGELOG.md b/CHANGELOG.md
index a038073..fe541b7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,15 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Added
+
+#### Packaging and Deployment
+
+- Arch Linux AUR packaging for `fips` (release) and `fips-git`
+  (development) packages with sysusers.d/tmpfiles.d integration
+  ([#21](https://github.com/jmcorgan/fips/pull/21),
+  [@dskvr](https://github.com/dskvr))
+
 ### Fixed
 
 - Control socket path detection in fipsctl and fipstop now checks for
diff --git a/packaging/Makefile b/packaging/Makefile
index a9b7cd4..d5b27d8 100644
--- a/packaging/Makefile
+++ b/packaging/Makefile
@@ -7,6 +7,7 @@
 #   make deb        Build a Debian/Ubuntu .deb package
 #   make tarball    Build a systemd install tarball
 #   make ipk        Build an OpenWrt .ipk package
+#   make aur        Build fips-git AUR package and validate with namcap
 #   make all        Build deb and tarball (default)
 #   make clean      Remove deploy/ directory
 
@@ -14,7 +15,7 @@ SHELL := /bin/bash
 PACKAGING_DIR := $(dir $(abspath $(lastword $(MAKEFILE_LIST))))
 PROJECT_ROOT  := $(abspath $(PACKAGING_DIR)/..)
 
-.PHONY: all deb tarball ipk clean
+.PHONY: all deb tarball ipk aur clean
 
 all: deb tarball
 
@@ -27,5 +28,8 @@ tarball:
 ipk:
 	@bash $(PACKAGING_DIR)/openwrt/build-ipk.sh
 
+aur:
+	@bash $(PACKAGING_DIR)/aur/build-aur.sh
+
 clean:
 	rm -rf $(PROJECT_ROOT)/deploy
diff --git a/packaging/README.md b/packaging/README.md
index aef9864..3658adc 100644
--- a/packaging/README.md
+++ b/packaging/README.md
@@ -9,6 +9,7 @@ All build outputs go to `deploy/` at the project root.
 make deb        # Debian/Ubuntu .deb
 make tarball    # systemd install tarball
 make ipk        # OpenWrt .ipk
+make aur        # Arch Linux AUR package (fips-git, local build + namcap)
 make all        # deb + tarball (default)
 ```
 
@@ -16,6 +17,7 @@ make all        # deb + tarball (default)
 
 ```text
 packaging/
+  aur/            Arch Linux AUR packaging (PKGBUILD, supporting files)
   common/         Shared assets (default config, hosts file)
   debian/         Debian/Ubuntu .deb packaging via cargo-deb
   systemd/        Generic Linux systemd tarball packaging
@@ -78,6 +80,23 @@ bash packaging/openwrt/build-ipk.sh --arch mipsel
 See [openwrt/README.md](openwrt/README.md) for router-specific
 installation instructions.
 
+### Arch Linux (AUR)
+
+Two AUR packages are maintained: `fips` (release, builds from tagged
+tarball) and `fips-git` (development, builds from latest git master).
+
+```sh
+# Build and validate locally (git variant)
+make aur
+
+# Install from AUR
+yay -S fips-git    # development build from master
+yay -S fips        # release build from latest tag
+```
+
+See [aur/README.md](aur/README.md) for AUR publication instructions
+and maintainer guide.
+
 ## Shared Assets
 
 `common/` contains assets used across packaging formats:
diff --git a/packaging/aur/.gitignore b/packaging/aur/.gitignore
new file mode 100644
index 0000000..efbe4fd
--- /dev/null
+++ b/packaging/aur/.gitignore
@@ -0,0 +1,5 @@
+src/
+pkg/
+fips/
+*.pkg.tar.zst
+*.log
diff --git a/packaging/aur/PKGBUILD b/packaging/aur/PKGBUILD
new file mode 100644
index 0000000..ceefd93
--- /dev/null
+++ b/packaging/aur/PKGBUILD
@@ -0,0 +1,63 @@
+# Maintainer: Johnathan Corgan <jcorgan@corganlabs.com>
+pkgname=fips
+pkgver=0.1.0
+pkgrel=1
+pkgdesc="Distributed, decentralized network routing protocol for mesh nodes"
+url="https://github.com/jmcorgan/fips"
+license=('MIT')
+arch=('x86_64')
+depends=('gcc-libs' 'glibc')
+makedepends=('cargo')
+optdepends=('systemd-resolved: .fips DNS resolution')
+conflicts=('fips-git')
+backup=('etc/fips/fips.yaml' 'etc/fips/hosts')
+install=fips.install
+source=("$pkgname-$pkgver.tar.gz::https://github.com/jmcorgan/fips/archive/v$pkgver.tar.gz"
+        "fips.sysusers"
+        "fips.tmpfiles")
+b2sums=('SKIP'  # tarball hash computed by CI via updpkgsums on release
+        '25a0552f3d67d12f48dfd40fe4776ad7c46afeeab76bd2674b48e234db3c145810a24569a8c1a7f4c186eb546f0fae2ebe1550080c0e91d8eb72ba9934c752a6'
+        '844257cb8e09cd935d0d6345922d0f3ec777411daca20e24175b346a7b3cb95ebce12631a9466c4d94f1588ed8d62d92514ff24025ccfd0efb358e542b454b00')
+options=('!lto')
+
+prepare() {
+    cd "$pkgname-$pkgver"
+    cargo fetch --locked --target "$(rustc -vV | sed -n 's/host: //p')"
+}
+
+build() {
+    cd "$pkgname-$pkgver"
+    export CARGO_TARGET_DIR=target
+    export SOURCE_DATE_EPOCH=$(stat -c %Y Cargo.toml)
+    cargo build --frozen --release
+}
+
+check() {
+    cd "$pkgname-$pkgver"
+    export CARGO_TARGET_DIR=target
+    cargo test --frozen --lib
+}
+
+package() {
+    cd "$pkgname-$pkgver"
+
+    # Binaries
+    install -Dm0755 target/release/fips "$pkgdir/usr/bin/fips"
+    install -Dm0755 target/release/fipsctl "$pkgdir/usr/bin/fipsctl"
+    install -Dm0755 target/release/fipstop "$pkgdir/usr/bin/fipstop"
+
+    # Systemd service files (from packaging/debian/ -- correct /usr/bin/ paths)
+    install -Dm0644 packaging/debian/fips.service "$pkgdir/usr/lib/systemd/system/fips.service"
+    install -Dm0644 packaging/debian/fips-dns.service "$pkgdir/usr/lib/systemd/system/fips-dns.service"
+
+    # Config files (from packaging/common/)
+    install -Dm0600 packaging/common/fips.yaml "$pkgdir/etc/fips/fips.yaml"
+    install -Dm0644 packaging/common/hosts "$pkgdir/etc/fips/hosts"
+
+    # System integration (from local source files in $srcdir)
+    install -Dm0644 "$srcdir/fips.sysusers" "$pkgdir/usr/lib/sysusers.d/fips.conf"
+    install -Dm0644 "$srcdir/fips.tmpfiles" "$pkgdir/usr/lib/tmpfiles.d/fips.conf"
+
+    # License
+    install -Dm0644 LICENSE "$pkgdir/usr/share/licenses/$pkgname/LICENSE"
+}
diff --git a/packaging/aur/PKGBUILD-git b/packaging/aur/PKGBUILD-git
new file mode 100644
index 0000000..9620372
--- /dev/null
+++ b/packaging/aur/PKGBUILD-git
@@ -0,0 +1,70 @@
+# Maintainer: Johnathan Corgan <jcorgan@corganlabs.com>
+pkgname=fips-git
+pkgver=0.1.0.r19.g8c349f5
+pkgrel=1
+pkgdesc="Distributed, decentralized network routing protocol for mesh nodes"
+url="https://github.com/jmcorgan/fips"
+license=('MIT')
+arch=('x86_64')
+depends=('gcc-libs' 'glibc')
+makedepends=('cargo' 'git')
+optdepends=('systemd-resolved: .fips DNS resolution')
+provides=('fips')
+conflicts=('fips')
+backup=('etc/fips/fips.yaml' 'etc/fips/hosts')
+install=fips.install
+source=("fips::git+https://github.com/jmcorgan/fips.git"
+        "fips.sysusers"
+        "fips.tmpfiles")
+b2sums=('SKIP'
+        '25a0552f3d67d12f48dfd40fe4776ad7c46afeeab76bd2674b48e234db3c145810a24569a8c1a7f4c186eb546f0fae2ebe1550080c0e91d8eb72ba9934c752a6'
+        '844257cb8e09cd935d0d6345922d0f3ec777411daca20e24175b346a7b3cb95ebce12631a9466c4d94f1588ed8d62d92514ff24025ccfd0efb358e542b454b00')
+options=('!lto')
+
+pkgver() {
+    cd fips
+    git describe --long --abbrev=7 2>/dev/null | sed 's/^v//;s/\([^-]*-g\)/r\1/;s/-/./g' \
+        || printf "r%s.%s" "$(git rev-list --count HEAD)" "$(git rev-parse --short=7 HEAD)"
+}
+
+prepare() {
+    cd fips
+    cargo fetch --locked --target "$(rustc -vV | sed -n 's/host: //p')"
+}
+
+build() {
+    cd fips
+    export CARGO_TARGET_DIR=target
+    export SOURCE_DATE_EPOCH=$(git log -1 --format=%ct)
+    cargo build --frozen --release
+}
+
+check() {
+    cd fips
+    export CARGO_TARGET_DIR=target
+    cargo test --frozen --lib
+}
+
+package() {
+    cd fips
+
+    # Binaries
+    install -Dm0755 target/release/fips "$pkgdir/usr/bin/fips"
+    install -Dm0755 target/release/fipsctl "$pkgdir/usr/bin/fipsctl"
+    install -Dm0755 target/release/fipstop "$pkgdir/usr/bin/fipstop"
+
+    # Systemd service files (from packaging/debian/ -- correct /usr/bin/ paths)
+    install -Dm0644 packaging/debian/fips.service "$pkgdir/usr/lib/systemd/system/fips.service"
+    install -Dm0644 packaging/debian/fips-dns.service "$pkgdir/usr/lib/systemd/system/fips-dns.service"
+
+    # Config files (from packaging/common/)
+    install -Dm0600 packaging/common/fips.yaml "$pkgdir/etc/fips/fips.yaml"
+    install -Dm0644 packaging/common/hosts "$pkgdir/etc/fips/hosts"
+
+    # System integration (from local source files in $srcdir)
+    install -Dm0644 "$srcdir/fips.sysusers" "$pkgdir/usr/lib/sysusers.d/fips.conf"
+    install -Dm0644 "$srcdir/fips.tmpfiles" "$pkgdir/usr/lib/tmpfiles.d/fips.conf"
+
+    # License
+    install -Dm0644 LICENSE "$pkgdir/usr/share/licenses/$pkgname/LICENSE"
+}
diff --git a/packaging/aur/README.md b/packaging/aur/README.md
new file mode 100644
index 0000000..8da8bd4
--- /dev/null
+++ b/packaging/aur/README.md
@@ -0,0 +1,307 @@
+# AUR Publication Guide for FIPS
+
+This directory contains Arch Linux packaging files for two AUR packages:
+
+- **`fips`** -- release package, builds from a tagged GitHub tarball
+- **`fips-git`** -- development package, builds from latest git master
+
+## Overview
+
+### Files in This Directory
+
+| File | Purpose |
+|------|---------|
+| `PKGBUILD` | Release package build script (builds from tagged tarball) |
+| `PKGBUILD-git` | Git development package build script (builds from latest master) |
+| `fips.install` | Pacman post-install/post-upgrade messaging |
+| `fips.sysusers` | sysusers.d fragment (creates `fips` system group) |
+| `fips.tmpfiles` | tmpfiles.d fragment (creates `/run/fips/`) |
+| `fips.service` | Symlink to `../debian/fips.service` |
+| `fips-dns.service` | Symlink to `../debian/fips-dns.service` |
+
+Both PKGBUILDs reference files from `packaging/debian/` (service files) and
+`packaging/common/` (config files) at build time. These are pulled from the
+source tree during `package()`, not from this directory.
+
+## Local Build and Validation
+
+Build and validate the `-git` package locally using the Makefile target:
+
+```sh
+make -C packaging aur
+```
+
+This runs `makepkg -sf` followed by `namcap` on the resulting package.
+
+For manual testing of individual steps:
+
+```sh
+# Build the -git package (uses local git clone, no network download needed)
+cd packaging/aur
+makepkg -sf -p PKGBUILD-git
+
+# Lint the built package
+namcap fips-git-*.pkg.tar.zst
+
+# Lint the PKGBUILD itself
+namcap PKGBUILD-git
+```
+
+The `-git` variant builds from the local git clone, so no network download is
+needed for the source. The release PKGBUILD requires a tagged release tarball
+on GitHub to build and cannot be tested without one.
+
+## Prerequisites for AUR Publication
+
+### 1. AUR Account
+
+Register at <https://aur.archlinux.org/register/> using the maintainer email
+(`jcorgan@corganlabs.com`).
+
+### 2. SSH Key
+
+Generate a dedicated ed25519 key for AUR access:
+
+```sh
+ssh-keygen -t ed25519 -f ~/.ssh/aur -C "jcorgan@corganlabs.com" -N ""
+```
+
+### 3. SSH Config
+
+Add the following to `~/.ssh/config`:
+
+```text
+Host aur.archlinux.org
+    IdentityFile ~/.ssh/aur
+    User aur
+```
+
+### 4. Register the Key with AUR
+
+1. Copy the public key contents:
+   ```sh
+   cat ~/.ssh/aur.pub
+   ```
+2. Go to <https://aur.archlinux.org> -> My Account -> SSH Public Key
+3. Paste the public key and save
+
+### 5. Test the Connection
+
+```sh
+ssh -T aur@aur.archlinux.org
+```
+
+This should print a welcome message or your username. If it hangs or
+returns "Permission denied", verify that the key was added correctly.
+
+## Initial Push -- fips-git Package
+
+Follow these steps exactly. Each command is concrete and copy-pasteable.
+
+### Step 1: Clone the AUR Repo
+
+Cloning an AUR repo that does not yet exist creates the package entry:
+
+```sh
+git clone ssh://aur@aur.archlinux.org/fips-git.git /tmp/aur-fips-git
+```
+
+If the package does not exist yet, this creates an empty repository.
+
+### Step 2: Copy Required Files
+
+From the root of the fips source repository:
+
+```sh
+cp packaging/aur/PKGBUILD-git /tmp/aur-fips-git/PKGBUILD
+cp packaging/aur/fips.install /tmp/aur-fips-git/
+cp packaging/aur/fips.sysusers /tmp/aur-fips-git/
+cp packaging/aur/fips.tmpfiles /tmp/aur-fips-git/
+```
+
+Only `PKGBUILD`, `.SRCINFO`, and files referenced in `source=()` or `install=`
+go into the AUR repo. Service files and config files are NOT copied -- they
+come from the source tree at build time via the `source=()` git clone.
+
+### Step 3: Generate .SRCINFO
+
+This step is **critical** -- AUR requires `.SRCINFO` alongside every PKGBUILD:
+
+```sh
+cd /tmp/aur-fips-git
+makepkg --printsrcinfo > .SRCINFO
+```
+
+### Step 4: Commit and Push
+
+```sh
+cd /tmp/aur-fips-git
+git add PKGBUILD .SRCINFO fips.install fips.sysusers fips.tmpfiles
+git commit -m "Initial import of fips-git"
+git push
+```
+
+### Step 5: Verify
+
+Visit <https://aur.archlinux.org/packages/fips-git> -- the package should
+appear within a few seconds of the push.
+
+## Initial Push -- fips Release Package
+
+Same pattern as the `-git` package, but using the release PKGBUILD.
+
+### Step 1: Clone the AUR Repo
+
+```sh
+git clone ssh://aur@aur.archlinux.org/fips.git /tmp/aur-fips
+```
+
+### Step 2: Copy Files
+
+From the root of the fips source repository:
+
+```sh
+cp packaging/aur/PKGBUILD /tmp/aur-fips/PKGBUILD
+cp packaging/aur/fips.install /tmp/aur-fips/
+cp packaging/aur/fips.sysusers /tmp/aur-fips/
+cp packaging/aur/fips.tmpfiles /tmp/aur-fips/
+```
+
+### Step 3: Verify the Release PKGBUILD
+
+Before pushing, ensure the PKGBUILD is correct for the current release:
+
+1. Verify `pkgver` matches the latest tagged release (currently `0.1.0`)
+2. If the tarball b2sum is a placeholder, download the tarball and compute:
+   ```sh
+   curl -sL https://github.com/jmcorgan/fips/archive/v0.1.0.tar.gz | b2sum | cut -d' ' -f1
+   ```
+3. Update the first entry in `b2sums=()` in the PKGBUILD with the real hash
+
+### Step 4: Generate .SRCINFO
+
+```sh
+cd /tmp/aur-fips
+makepkg --printsrcinfo > .SRCINFO
+```
+
+### Step 5: Commit and Push
+
+```sh
+cd /tmp/aur-fips
+git add PKGBUILD .SRCINFO fips.install fips.sysusers fips.tmpfiles
+git commit -m "Initial import of fips 0.1.0"
+git push
+```
+
+### Step 6: Verify
+
+Visit <https://aur.archlinux.org/packages/fips> -- the package should appear.
+
+## Verification
+
+After both packages are pushed, verify everything works end-to-end.
+
+### Search AUR
+
+```sh
+yay -Ss fips
+```
+
+Or visit <https://aur.archlinux.org/?K=fips> in a browser.
+
+### Install the Git Variant
+
+```sh
+yay -S fips-git
+```
+
+### Verify the Installation
+
+```sh
+fips --version
+fipsctl --version
+fipstop --version
+systemctl cat fips.service
+cat /usr/lib/sysusers.d/fips.conf
+cat /usr/lib/tmpfiles.d/fips.conf
+```
+
+### Test the Release Variant
+
+On a separate machine or after removing `fips-git`:
+
+```sh
+yay -R fips-git
+yay -S fips
+```
+
+Then run the same verification commands above.
+
+## GitHub Secrets for CI (Phase 4 Preparation)
+
+For automated AUR updates via GitHub Actions, a separate SSH key is needed.
+
+### Step 1: Generate a CI-Specific Key
+
+Generate a **separate** passphrase-less ed25519 key for CI. Do NOT reuse the
+personal key from the prerequisites section:
+
+```sh
+ssh-keygen -t ed25519 -f /tmp/github-aur -C "github-actions-aur" -N ""
+```
+
+### Step 2: Add the Public Key to AUR
+
+AUR supports multiple SSH keys per account. Add the contents of
+`/tmp/github-aur.pub` to the AUR account alongside the personal key:
+
+1. Go to <https://aur.archlinux.org> -> My Account -> SSH Public Key
+2. Paste the new public key (you can have multiple keys, one per line)
+
+### Step 3: Add the Private Key to GitHub
+
+1. Go to <https://github.com/jmcorgan/fips/settings/secrets/actions>
+2. Create a new repository secret named `AUR_SSH_PRIVATE_KEY`
+3. Paste the contents of `/tmp/github-aur` (the private key file)
+
+### Step 4: Clean Up Local Key Files
+
+```sh
+rm /tmp/github-aur /tmp/github-aur.pub
+```
+
+## Updating Packages
+
+### fips-git (Development)
+
+AUR convention is to only push when the PKGBUILD itself changes (new
+dependencies, build flags, source URL changes, etc.). Users get new builds
+automatically via:
+
+```sh
+yay -Syu --devel
+```
+
+Do **NOT** push pkgver-only bumps to the AUR -- the `pkgver()` function
+handles versioning at build time.
+
+### fips (Release)
+
+Push an update when a new version is tagged. The steps are:
+
+1. Update `pkgver` in the PKGBUILD to the new version
+2. Reset `pkgrel` to `1`
+3. Recompute the tarball b2sum:
+   ```sh
+   curl -sL https://github.com/jmcorgan/fips/archive/v<NEW_VERSION>.tar.gz | b2sum | cut -d' ' -f1
+   ```
+4. Update `b2sums=()` with the new hash
+5. Regenerate `.SRCINFO`:
+   ```sh
+   makepkg --printsrcinfo > .SRCINFO
+   ```
+6. Commit and push both `PKGBUILD` and `.SRCINFO`
+
+Phase 4 CI automation will handle this workflow automatically on new GitHub
+releases.
diff --git a/packaging/aur/build-aur.sh b/packaging/aur/build-aur.sh
new file mode 100755
index 0000000..5a25418
--- /dev/null
+++ b/packaging/aur/build-aur.sh
@@ -0,0 +1,33 @@
+#!/usr/bin/env bash
+# Build the fips-git AUR package and validate with namcap.
+#
+# Usage: ./build-aur.sh
+#
+# Prerequisites: makepkg, namcap (pacman -S namcap)
+# Output: fips-git-*.pkg.tar.zst in packaging/aur/
+
+set -euo pipefail
+
+SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
+
+# Ensure we're on Arch Linux with makepkg available
+if ! command -v makepkg &>/dev/null; then
+    echo "makepkg not found. This script requires Arch Linux." >&2
+    exit 1
+fi
+
+if ! command -v namcap &>/dev/null; then
+    echo "namcap not found. Install with: pacman -S namcap" >&2
+    exit 1
+fi
+
+cd "${SCRIPT_DIR}"
+
+echo "Building fips-git AUR package..."
+makepkg -sf -p PKGBUILD-git
+
+echo "Running namcap validation..."
+namcap PKGBUILD-git
+namcap fips-git-*.pkg.tar.zst
+
+echo "Done."
diff --git a/packaging/aur/fips-dns.service b/packaging/aur/fips-dns.service
new file mode 120000
index 0000000..262b472
--- /dev/null
+++ b/packaging/aur/fips-dns.service
@@ -0,0 +1 @@
+../debian/fips-dns.service
\ No newline at end of file
diff --git a/packaging/aur/fips.install b/packaging/aur/fips.install
new file mode 100644
index 0000000..616b36c
--- /dev/null
+++ b/packaging/aur/fips.install
@@ -0,0 +1,17 @@
+post_install() {
+    echo ":: Enable the FIPS daemon:"
+    echo "   systemctl enable --now fips.service"
+    echo ""
+    echo ":: Optional: enable .fips DNS routing (requires systemd-resolved):"
+    echo "   systemctl enable --now fips-dns.service"
+    echo ""
+    echo ":: Allow non-root access to fipsctl/fipstop:"
+    echo "   usermod -aG fips \$USER"
+    echo ""
+    echo ":: Edit /etc/fips/fips.yaml before starting."
+}
+
+post_upgrade() {
+    echo ":: Restart the daemon if running:"
+    echo "   systemctl restart fips.service"
+}
diff --git a/packaging/aur/fips.service b/packaging/aur/fips.service
new file mode 120000
index 0000000..875e594
--- /dev/null
+++ b/packaging/aur/fips.service
@@ -0,0 +1 @@
+../debian/fips.service
\ No newline at end of file
diff --git a/packaging/aur/fips.sysusers b/packaging/aur/fips.sysusers
new file mode 100644
index 0000000..dd119fc
--- /dev/null
+++ b/packaging/aur/fips.sysusers
@@ -0,0 +1 @@
+g fips - -
diff --git a/packaging/aur/fips.tmpfiles b/packaging/aur/fips.tmpfiles
new file mode 100644
index 0000000..3cb9cdf
--- /dev/null
+++ b/packaging/aur/fips.tmpfiles
@@ -0,0 +1 @@
+d /run/fips 0750 root fips -